Paul’s Programming Notes · Jul 25, 2026
Home Assistant Leak Notification Automation
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The Sonoff SNZB-05P seems like the best Zigbee leak sensor right now. It’s around $20, and its snap-on WLDC200 sensing cable detects water anywhere along the cord, so it isn’t just watching a single spot the water can spread around. I have them in appliance drip pans and under sinks, all feeding one Home Assistant automation that alerts my phone when a sensor trips and sends an all-clear when it…
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